Language Matters: Reflections on Educational Linguistics By Timothy Reagan http://books.google.com/books?id=CLA_mqFdTXQC&pg=PA151&dq=zamenhof+Judaism&lr=&as_brr=3&source=gbs_toc_r&cad=5#v=onepage&q=&f=false Chapter 7 includes a lengthy treatment of Esperanto.